Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Alaska

Precipitation Rankings, September 2016

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1925-2000
Mean
Anomaly Rank
(1925-2022)
Wettest/Driest
Since
Record
September 2016
1-Month
5.89"
(149.61mm)
4.57"
(116.08mm)
1.32"
(33.53mm)
86th Driest
Driest since:
1969
13th Wettest
Wettest since:
1925
Aug–Sep 2016
2-Month
11.09"
(281.69mm)
8.95"
(227.33mm)
2.14"
(54.36mm)
90th Driest
Driest since:
1941
9th Wettest
Wettest since:
2022
Ties: 1925, 2015
Jul–Sep 2016
3-Month
15.27"
(387.86mm)
12.23"
(310.64mm)
3.04"
(77.22mm)
94th Driest
Driest since:
1968
5th Wettest
Wettest since:
2022
Jun–Sep 2016
4-Month
17.95"
(455.93mm)
14.57"
(370.08mm)
3.38"
(85.85mm)
94th Driest
Driest since:
1968
5th Wettest
Wettest since:
2012
May–Sep 2016
5-Month
20.63"
(524.00mm)
16.68"
(423.67mm)
3.95"
(100.33mm)
96th Driest
Driest since:
1969
3rd Wettest
Wettest since:
2012
Ties: 1998
Apr–Sep 2016
6-Month
22.93"
(582.42mm)
18.57"
(471.68mm)
4.36"
(110.74mm)
96th Driest
Driest since:
1969
3rd Wettest
Wettest since:
1961
Mar–Sep 2016
7-Month
25.18"
(639.57mm)
20.80"
(528.32mm)
4.38"
(111.25mm)
98th Driest
Driest since:
1969
1st Wettest
Wettest to Date
2016
Feb–Sep 2016
8-Month
27.66"
(702.56mm)
23.12"
(587.25mm)
4.54"
(115.31mm)
97th Driest
Driest since:
1969
2nd Wettest
Wettest since:
1928
Jan–Sep 2016
9-Month
30.37"
(771.40mm)
25.85"
(656.59mm)
4.52"
(114.81mm)
94th Driest
Driest since:
1969
5th Wettest
Wettest since:
1928
Dec 2015–Sep 2016
10-Month
32.02"
(813.31mm)
28.92"
(734.57mm)
3.10"
(78.74mm)
80th Driest
Driest since:
1969
18th Wettest
Wettest since:
2022
Nov 2015–Sep 2016
11-Month
37.41"
(950.21mm)
32.29"
(820.17mm)
5.12"
(130.04mm)
92nd Driest
Driest since:
1969
6th Wettest
Wettest since:
1944
Oct 2015–Sep 2016
12-Month
41.57"
(1,055.88mm)
36.68"
(931.67mm)
4.89"
(124.21mm)
86th Driest
Driest since:
1969
12th Wettest
Wettest since:
1944
Apr 2015–Sep 2016
18-Month
63.20"
(1,605.28mm)
55.22"
(1,402.59mm)
7.98"
(202.69mm)
94th Driest
Driest since:
1969
4th Wettest
Wettest since:
1944
Oct 2014–Sep 2016
24-Month
79.03"
(2,007.36mm)
73.25"
(1,860.55mm)
5.78"
(146.81mm)
78th Driest
Driest since:
1969
19th Wettest
Wettest since:
1930
Oct 2013–Sep 2016
36-Month
120.82"
(3,068.83mm)
109.82"
(2,789.43mm)
11.00"
(279.40mm)
90th Driest
Driest since:
1974
6th Wettest
Wettest since:
1930
Oct 2012–Sep 2016
48-Month
155.42"
(3,947.67mm)
146.31"
(3,716.27mm)
9.11"
(231.40mm)
78th Driest
Driest since:
1969
17th Wettest
Wettest since:
1932
Oct 2011–Sep 2016
60-Month
197.41"
(5,014.21mm)
182.77"
(4,642.36mm)
14.64"
(371.85mm)
90th Driest
Driest since:
1972
4th Wettest
Wettest since:
1932

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